Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » thanh trung, canh tranh, hanh trinh
cac phuong » cac truong
hoc chieu » hoc thieu, ho chieu, hoc hien
va phuong » va thuong
cong san » cong tac
quan cau » quang cao, toan cau, quan ha
quan chu » quan khu, quan che, quan chi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh trang ((va phuong) OR (cac phuong)) cong san ((quan cau) or (quan chu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh trang ((va phuong) OR (cac phuong)) cong san ((quan cau) OR (quan chu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - hanh trang ((va phuong) OR (cac phuong)) cong san ((quan cau) or (quan chu))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh trang ((va phuong) OR (cac phuong)) cong san ((quan cau) or (quan chu))*.